... brightness and speed adjust 3-high quality LED desk sign ,LED message boardFeatures and Advantages1- Multi language ... .4- 5 action: hold, snow, twinkle, scroll, frame .5- Can display by upright, also can display by ... the 8 messages through the side of LED desk board button.9- Battery Type: Poly-Lion ... system.High Quality and competitive priceComposing parts 1, LED desk board 1PCS 2, USB cable 1pCS 3, CD ...